FR755221A - Improvements in methods and apparatus for recording electrical pulses - Google Patents

Improvements in methods and apparatus for recording electrical pulses

Info

Publication number: FR755221A
Authority: FR; France
Prior art keywords: methods; electrical pulses; recording electrical; recording; pulses
Prior art date: 1932-05-07
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

Other languages

Inventor

Wilhelm Koreska

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1932-05-07

Filing date

1933-05-06

Publication date

1933-11-21

1933-05-06 Application filed filed Critical

1933-11-21 Application granted granted Critical

1933-11-21 Publication of FR755221A publication Critical patent/FR755221A/en

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
- B41C1/141—Forme preparation for stencil-printing or silk-screen printing by cutting or perforation with mechanical means; Electrical spark cutting
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
- B41M5/245—Electroerosion or spark recording
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/23—Reproducing arrangements

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Manufacturing & Machinery (AREA)
Printing Plates And Materials Therefor (AREA)
Electrostatic Charge, Transfer And Separation In Electrography (AREA)

FR755221D 1932-05-07 1933-05-06 Improvements in methods and apparatus for recording electrical pulses Expired FR755221A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
AT417958X		1932-05-07
US66891933A	1933-05-02	1933-05-02
US710640A US2040142A (en)	1932-05-07	1934-02-10	Recording support

Publications (1)

Publication Number	Publication Date
FR755221A true FR755221A (en)	1933-11-21

Family

ID=32511788

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR755221D Expired FR755221A (en)	1932-05-07	1933-05-06	Improvements in methods and apparatus for recording electrical pulses

Country Status (5)

Country	Link
US (1)	US2040142A (en)
DE (1)	DE627896C (en)
FR (1)	FR755221A (en)
GB (1)	GB417958A (en)
NL (1)	NL40017C (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2181533A (en) *	1936-01-18	1939-11-28	Western Union Telegraph Co	Method of and means for recording signals electrically
BE474200A (en) *	1942-08-04
US2664043A (en) *	1947-06-17	1953-12-29	Timefax Corp	Stencil recording blank and process of preparation
US2683111A (en) *	1949-06-29	1954-07-06	Rca Corp	Electrical recording
US3079859A (en) *	1955-11-28	1963-03-05	Timefax Corp	Electro-responsive planographic plate and methods of manufacture
US2951441A (en) *	1956-01-16	1960-09-06	Timefax Corp	Lithographic printing plates and coatings therefor
NL248586A (en) *	1959-02-20	1900-01-01
US3165456A (en) *	1960-11-21	1965-01-12	Minnesota Mining & Mfg	Developer
DE1562312B1 (en) *	1964-01-17	1970-07-30	Bosch Gmbh Robert	Method and device for transmitting the information content of a document or the like. on a recording medium
US3283704A (en) *	1964-02-18	1966-11-08	Timefax Corp	Electrosensitive facsimile stencilforming blanks
US3934503A (en) *	1967-06-26	1976-01-27	Iit Research Institute	Stencil screens
CN108360020B (en) *	2018-04-10	2020-03-06	中南大学	Low frequency cell noise monitoring method and equipment for aluminum electrolytic cell process control

0
- NL NL40017D patent/NL40017C/xx active
1933
- 1933-04-29 DE DEK129934D patent/DE627896C/en not_active Expired
- 1933-05-05 GB GB13167/33A patent/GB417958A/en not_active Expired
- 1933-05-06 FR FR755221D patent/FR755221A/en not_active Expired
1934
- 1934-02-10 US US710640A patent/US2040142A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US2040142A (en)	1936-05-12
GB417958A (en)	1934-10-16
DE627896C (en)	1936-03-27
NL40017C (en)

Similar Documents

Publication	Publication Date	Title
FR826192A (en)	1938-03-24	Improvements in methods and apparatus for color reproduction
FR755221A (en)	1933-11-21	Improvements in methods and apparatus for recording electrical pulses
FR762543A (en)	1934-04-12	Improvements to methods and apparatus for permanent hair waving
FR718706A (en)	1932-01-28	Improvements in methods and apparatus for drawing tubes
FR749746A (en)	1933-07-28	Improvements in telemetry methods and apparatus
FR844768A (en)	1939-08-01	Improvements in methods and apparatus for analyzing and recording vibrations
FR748993A (en)	1933-07-13	Improvement in methods and devices for recording sounds
FR747655A (en)	1933-06-22	Improvement in methods and devices for recording sounds
FR764602A (en)	1934-05-25	Improvements in methods and devices for printing music
FR833276A (en)	1938-10-18	Improvements in methods and devices for recording oscillations
FR751859A (en)	1933-09-11	Improvements in processes and apparatus for the reproduction of documents of all kinds
FR884610A (en)	1943-08-23	Improvements in methods and apparatus for sound recording
FR41902E (en)	1933-05-03	Method and device for recording telephone conversations
AT138160B (en)	1934-07-10	Methods and apparatus for oblique reproduction, oblique recording and for enlarging the field of view in optical instruments.
AU628932A (en)	1933-03-09	Improvements in and relating to shutters for sound recording apparatus
CA310743A (en)	1931-04-28	Counting and recording apparatus
FR863020A (en)	1941-03-21	Method and apparatus for recording sound films
AU126331A (en)	1931-06-25	Improvement in photographic recording apparatus
FR782661A (en)	1935-06-08	Method and apparatus for recording and reproducing pulses
AU460331A (en)	1931-10-25	Improvements in recording apparatus
CA324284A (en)	1932-07-19	Sound recording and reproducing apparatus
CA321026A (en)	1932-03-29	Sound recording and reproducing apparatus
FR720322A (en)	1932-02-18	Recording method for talking cinema and similar devices
FR801656A (en)	1936-08-12	Improvements in methods and apparatus for directing sound
AU16531A (en)	1932-01-21	Improvements in or relating to sound recording apparatus and arrangements for use therewith